The human brain is the most sophisticated organ in the body. It weighs about 3 pounds and is divided into three major parts. The forebrain, also called the cerebrum, is responsible for intelligence, memory, and personality. The midbrain coordinates brain messages between the spinal cord. The hindbrain consists of the cerebellum, which controls balance and movement, and the medulla, which controls automatic bodily functions like breathing and swallowing.

3. A quick look at the
human brain
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4. • The brain is made up of about 75% water.
• Humans only use 10% of the brain.
• There are no pain receptors in the brain, so the
brain can feel no pain.
• On average, the human brain weighs 3 pounds.
• Your brain uses 50% of the blood circulating in your
body.
True or false?

5. Watch the video and write down…
• What are three major
parts of the brain?
• What do they do?

6. Complete
The ______ is the most sophisticated ______ in the
human body. It weighs around ______ pounds, and it
is divided into ______ major parts.
The _________, also called the cerebrum, is in charge
of intelligence, memory, personality, etc.
The _________ coordinates all brain messages from
and to the spinal cord.
The _________ consists of the cerebellum and the
medulla.
The ___________ controls balance, movement and
coordination. The ________ controls automatic bodily
functions like swallowing and/or breathing.
brain organ
three
three
fore brain
mid brain
hind brain
cerebellum
medulla

7. • One of the most
important
• Weight: 9 ounces
• 4 chambers: left
and right atrium;
left and right
ventricle
• Function: pump
blood around the
body

8. Thank you!

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10. Webography
Brain structures and their functions:
• http://serendip.brynmawr.edu/bb/kinser/Structure1.html
100 Fascinating Facts You Never Knew About the Human Brain
• http://www.nursingassistantcentral.com/blog/2008/100-fascinating-facts-you-
never-knew-about-the-human-brain/
Human heart facts
• http://www.sciencekids.co.nz/sciencefacts/humanbody/heart.html
Video: The human brain
http://www.youtube.com/watch?v=eOoPAcvkKQk